Add --expect option
agent: Add expect-* commands
config host-alias: Initial commit
rpc: Initial commit
config device: Initial commit
device: inquiry -> expect-(un)available
adaptermanager: get adapters from bluez

It might be bluez omit some device otherwise enumerated in sysfs
README: Add example session
device: refact. error handling
device trusted: Initial commit
adapter discoverable: set timeout to infinite
config adapter: Allow to get adapter address
agent active-call: add --get-arg option
adapter has-feature: Initial commit
adapter: flush inquiry cache upon scan